a losfib is the type of girl you see on the street,you mistake her for an innocent girl and eventually find out her cunt can swallow you! A kinky bitch.
losfib: lady on street,freak in bed.
gunsalute: "wuddup gee,i have a date wit that dime ere nigh"
yungun:" im sorry u 're mistakin' a losfib for a real babe.She got a pussy head-wide"
gunsalute:"what tha fuck!!!